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Improve changelog

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
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Dave Rodgman 2023-06-16 15:27:23 +01:00
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ChangeLog.d/aes-perf.txt
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Features Features
* AES performance improvements. Uplift varies by platform, * AES performance improvements. Uplift varies by platform,
toolchain, optimisation flags and mode, up to 4.5x. toolchain, optimisation flags and mode.
Aarch64, gcc -Os and CCM, GCM and XTS benefit the most. Aarch64, gcc -Os and CCM, GCM and XTS benefit the most.
On Aarch64, uplift is typically around 20 - 110%.
When compiling with gcc -Os on Aarch64, AES-XTS improves
by 4.5x.